The Faxon 10/22 Bolt Assembly is a perfect match if you are looking to complete a Faxon FF-22 receiver or replace a 10/22 bolt in an existing gun. A drop-in ready, billet stainless steel part, the assembly includes an extractor and a hardened firing pin, and is available in a black nitride finish. Whether you're building up a new gun or keeping an old favorite running, the Faxon 10/22 Bolt Assembly is a great choice. FeaturesFully assembled and ready to installStainless steel constructionHardness: HRC 40 - 47Round Firing PinSharp Extractor